1. Arnold, R. D. and Hoge, H. J., A test of ideal solution laws for H2, HD, and D2. Vapor pressures and critical constants of the individual components, J. Chem. Puys. 18, 1295 (1950).
2. Cook, G. A., Argon, helium and the rare gases, Vol. I, History, occurrence, and properties. Interscience Publishers, New York (1961).
3. Din, F., Thermodynamic functions of gases, Vol. 1, Ammonia, Carbon Dioxide, and Carbon Monoxide, Butterworths, London (1956).
4. Din, F., Thermodynamic functions of gases, Vol. 2, Air, Acetylene, Ethylene, Propane, and Argon, Butterworths, London (1956).
5. Din, F., Thermodynamic functions of gases, Vol. 3, Methane, Nitrogen and Ethane, Butterworths, London (1961).